DAVENPORT, Iowa — A front of arctic air will bring subzero temperatures to the Sauk Valley on Wednesday evening, the National Weather Service said in an extended forecast.
Tuesday temps will top out around 37, then drop to 13 overnight. Winds will shift and increase in speed throughout the day. Southeast winds at 5 to 15 mph in the afternoon will become southwest winds of 10 to 15 mph in the early evening.
After midnight winds will come from northwest after midnight with gusts as high as 30 mph.
That’s when the arctic front will move in. It will be mostly sunny Wednesday, with temps falling to 10 degrees by sunset. Northwest winds with 25 mph gusts will bring wind chill values as low as minus 5.
By Wednesday night it will be mostly clear with a low of minus 1 degree. Wind chills will be minus 15 degrees. Northwest winds will continue in the 10 to 15 mph range with gusts of 30 mph.
On Thursday, daytime highs will be near 10 degrees. Overnight it will dip down to minus 5 again.